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MicroTech II
Daikin MicroTech II Installation And Maintenance
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54
Daikin
IM 696-4
T
ypical Wiring Diagrams
Figure 25: Energy recovery whee
l control
H906-1
H903-1
H904-1
H905-1
H903-2
H904-2
H905-2
DRN4
H924-1
H925-2
DRN4
H930-1
H931-2
H912-7
H913-6
H914-10
H912-8
H914-10
H912-8
H912-7
H913-6
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
109
955
934
207
207
239
959
MTR
EN RCVY
(EXHAUST AIR-SENSOR
LEAVING WHEEL)
SRC
DISABLE
DISABLE
B02
B01
J8
J10
ENABLE
ENABLE
JUMPERS
ENERGY.
RECOVERY
BOARD
INPUTS
BI=BINARY
AI=ANALOG
(JUMPER LOCATED
JUST UNDER
COMM. CARD)
N2
BUS
(LEAVING AIR-SENSOR
OUTDOOR AIR LEAVING WHEEL)
(CLOSE)
BO5
(OPEN)
BO6
24V SRC
jprs
24V SRC
jprs
(OA DAMPER)
1
3
2
4
(WITH CCW
SPRING RETURN
CLOSED)
(RA DAMPER)
1
COM
CCW
CW
24V
4
2
3
(WITH CW
SPRING RETURN
OPEN)
L3-12
L2-12
L1-12
GND
W2
V2
U2
W1
V1
U1
L1
T3
T2
T1
L3
L2
L1
L3
L2
T3
T2
T1
1
2
4
WHT
BLK
DRN
1-8
24V
REF
N2-
N2+
24C
BI10
BI12
BI11
BI8
BI9
BI7
AI2
5VDC
COM
AI3
AI6
COM
5VDC
COM
AI1
1
2
4
5NO
5
6NO
6
WHT
BLK
DRN
8
7
6
10
COM
CW
24V
CCW
WHT
DRN
BLK
PB11
AFD60
+NB
GND1
CB60
MTR1
+NB
PL24
+PP
EAT
+NB
N2+A/2.11
N2-A/2.12
REFA/2.12
ERB1
PL23
+PP
LAT
+NB
T1_115VAC/1.68
T2_24VAC/2.64
T1_N/1.68
T2_COM/2.47
T3_COM
MCB
MCB
PL11
PL11
PL11
PL11
ACT3
+NB
ACT4
+NB
(Schematic continues on next page.)
204B
204A
303B
12L3
12L2
12L1
168C
168A
209C
210C
211C
912B
912A
912A
914A
924C
925C
930C
931C
55
57
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
3
General Description
4
Component Data
4
Main Control Board (MCB)
6
Analog Inputs Terminal Blocks
7
Binary Inputs Terminal Blocks
7
Binary Outputs Terminal Blocks
7
RS-485 Communications Terminal Block
7
Power Supply Terminals
7
Keypad/Lcd Display Connection
7
Communication Modules
7
Bacnet/Ip Communication Module
7
Bacnet MS/TP Communications Module
8
Lonworks® Communication Modules
8
RS-232 Connection Port
9
15 VDC Supply Connection
9
Main Control Board Leds
9
Auxiliary Control Boards (CCB1, CCB2, EHB1, and ERB1)
10
Analog Inputs Terminal Block (J8)
11
Binary Inputs Terminal Blocks (J9 and J10)
11
Binary Outputs Terminal Blocks
11
RS-485 Communications Module
11
Power Supply Terminals (J1)
11
J7 Terminal Block
11
J2 Terminal Block
11
Main Control Board (MCB) Output Relays and Triacs
11
Auxiliary Control Boards (CCB1, CCB2, GCB1, EHB1, and ERB1) Output Relays
12
Keypad/Display
12
Remote Keypad Display Option
12
Temperature Sensors
13
Pressure Transducers
13
Humidity Sensors
13
Actuators
13
Variable Frequency Drives (Vfds)
13
Field Wiring
14
Field Output Signals
14
Remote Alarm Output
14
Fan Operation Output
14
VAV Box Output
15
Cooling Only Units
15
Cooling Only Units with Field Supplied Heat
15
Units with One-Stage Heat
15
Units with Modulating Heat
16
Staged Cooling Outputs
16
Field Analog Input Signals
16
Zone Temperature Sensor Packages
16
Zone Sensor Without Remote Set Point Adjustment
16
Zone Sensor with Remote Set Point Adjustment
17
Tenant Override (Timed)
17
External Discharge Air Reset Signal
18
External Outdoor Air Damper Reset Signal
18
Field Valve Actuator Feedback
19
Humidity Sensors
20
Humidity Sensor-Discharge Air Control (DAC) Unit
21
Field Binary Input Signals
21
Manual Cooling and Heating Enable
21
Cooling Enable
21
Heating Enable
21
Manual Unit Enable
21
External Time Clock or Tenant Override
21
Miscellaneous Output Signals
22
External Exhaust Fan Status
22
Service Information
23
Controller Inputs
23
Analog Inputs-Main Control Board (MCB)
23
Analog Inputs-Auxiliary Control Boards (CCB1, CCB2, GCB1, EHB1 & ERB1)
25
Binary Inputs-Main Control Board (MCB)
25
Binary Inputs-Auxiliary Control Boards (CCB1, CCB2, GCB1, EHB1 & ERB1)
25
Ccb1 & Ccb2 (7Rps, Rfs/Rcs, Rdt, Rpr & Rfr)
25
Gcb1 (Rds & Rah)
25
Ehb1
25
Erb1
25
Controller Outputs
26
Binary Outputs-Main Control Board (MCB)
26
Binary Outputs-Auxiliary Control Boards (CCB1, CCB2, GCB1, EHB1 & ERB1)
28
CCB1 and CCB2
28
Gcb1 (Rds & Rah)
33
Ehb1
33
Eerb1
34
Software Identification and Configuration
34
Main Control Board (MCB) Configuration
34
Main Control Board (MCB) Data Archiving
35
Typical Wiring Diagrams
36
Legend
36
Test Procedures
60
Troubleshooting Main Control Board (MCB)
60
MCB Battery
60
MCB Data Archiving
60
MCB "Cold" Reboot
60
MCB LED Power-Up Sequence
60
MCB LED Startup Error Codes
62
Battery Test
63
Flash CRC Tests
63
SRAM Test
63
Communication Port Tests
63
IP Register Test
63
Troubleshooting Auxiliary Control Boards (CCB1, CCB2, GCB1, EHB1 and ERB1)
64
Hardware Check
64
RS-485 Communication Card Status Leds
64
Troubleshooting Keypad/Display
64
Keypad/Display Power up Initialization
64
Troubleshooting Temperature Sensors
65
Troubleshooting Communications Modules
66
Bacnet/Ip Module
66
Bacnet MS/TP Module
66
Lonmark Modules
66
Troubleshooting Pressure Transducers
67
Parts List
68
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Installation And Maintenance Manual
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Daikin MicroTech II Specifications
General
Brand
Daikin
Model
MicroTech II
Category
Controller
Language
English
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